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Table 3: Relative analysis for the complications in 19 patients with technically feasible AVMs
Variable Complication P Value
+ −
Spetzler-Martin grade .801
    I–II 1 5 
    III 4 6 
    IV–V 1 2 
Size .141
    ≤3 cm 5 5 
    >3 cm 1 8 
Eloquent .605
    + 5 8 
    − 1 5 
Deep venous drainage .057
    + 5 4 
    − 1 9 
Note:—+ indicates yes; −, no.
Variable	Complication		P Value
Variable	+	−	P Value
Spetzler-Martin grade			.801
I–II	1	5
III	4	6
IV–V	1	2
Size			.141
≤3 cm	5	5
>3 cm	1	8
Eloquent			.605
+	5	8
−	1	5
Deep venous drainage			.057
+	5	4
−	1	9